Android使用view仿支付宝月账单

dependencies {
  compile 'com.github.PhilJay:MPAndroidChart:v3.0.1'
}

<com.github.mikephil.charting.charts.PieChart
    android:id="@+id/chart_view"
    android:layout_width="300dp"
    android:layout_height="300dp"
    android:layout_centerInParent="true" />

public class MainActivity extends AppCompatActivity {

  private static final float TEXT_SIZE = 18;
  private PieChart mPieChart;
  private List<MonthData> mMonthData;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    mPieChart = (PieChart) findViewById(R.id.chart_view);
    initData();
    initPieData();
  }

  private void initData() {
    mMonthData = new ArrayList<>();
    MonthData playing = new MonthData();
    playing.setLabel("娱乐");
    playing.setValue(213);
    MonthData pay = new MonthData();
    pay.setLabel("消费");
    pay.setValue(239);
    MonthData shopping = new MonthData();
    shopping.setLabel("网购");
    shopping.setValue(682);
    MonthData mobile = new MonthData();
    mobile.setLabel("线下");
    mobile.setValue(100);
    mMonthData.add(playing);
    mMonthData.add(pay);
    mMonthData.add(shopping);
    mMonthData.add(mobile);
  }

  private void initPieData() {
    PieData mPieData = new PieData();
    List<PieEntry> mEntry = new ArrayList<>();
    String mLabel = "其他";
    for (MonthData monthData : mMonthData) {
      PieEntry entry = new PieEntry(monthData.getValue(), monthData.getLabel());
      mEntry.add(entry);
    }
    PieDataSet mDataSet = new PieDataSet(mEntry, mLabel);
    mDataSet.setColors(Color.rgb(60, 179, 113), Color.rgb(255, 69, 0),
        Color.rgb(255, 185, 15), Color.rgb(30, 144, 255));
    mPieData.setDataSet(mDataSet);
    mPieData.setValueTextSize(TEXT_SIZE);
    mPieData.setValueTextColor(Color.WHITE);
    mPieChart.setDescription(new Description());
    mPieChart.setData(mPieData);
  }

}

public class MonthData {

  private String label;
  private float value;

  public String getLabel() {
    return label;
  }

  public void setLabel(String label) {
    this.label = label;
  }

  public float getValue() {
    return value;
  }

  public void setValue(float value) {
    this.value = value;
  }
}